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Brilliant_brown [7]
2 years ago
9

What evidence did Mendeleev use to decide that the alkali metals should be in the same group?

Chemistry
1 answer:
Bezzdna [24]2 years ago
4 0

Answer:

they all reacted the same

Explanation:

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I 13 Suggest why this group is called Group 8.​
yarga [219]

Answer:

because it's in group 8

Explanation:

3 0
3 years ago
5. What volume of silver metal will weigh exactly 4500.0 g. The density of silver is 20.5 g/cm.
Vitek1552 [10]

Answer:

The answer is

<h2>219.5 mL</h2>

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

volume =  \frac{mass}{density} \\

From the question

mass = 4500 g

density = 20.5 g/cm³

We have

volume =  \frac{4500 }{20.5}  \\  = 219.51219...

We have the final answer as

<h3>219.51 mL</h3>

Hope this helps you

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3 years ago
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